
<div class="htmleaf-container">

 <div class="demo form-bg" style="padding: 20px 0;">
  <div class="container">
   <div class="row">
    <div class="col-md-offset-3 col-md-6">
     <form class="form-horizontal">
      <span class="heading">用户注册</span>
      <div class="form-group">
       <input type="email" class="form-control" id="inputEmail3" placeholder="用户名">
       <i class="fa fa-user"></i>
      </div>
      <div class="form-group help">
       <input type="password" class="form-control" id="inputPassword3" placeholder="邮箱">
       <i class="fa fa-lock"></i>
       <a href="#" class="fa fa-question-circle"></a>
      </div>
      <div class="form-group help">
       <input type="password" class="form-control" id="inputPassword3" placeholder="密码">
       <i class="fa fa-lock"></i>
       <a href="#" class="fa fa-question-circle"></a>
      </div>
      <div class="form-group help">
       <input type="password" class="form-control" id="inputPassword3" placeholder="密码确认">
       <i class="fa fa-lock"></i>
       <a href="#" class="fa fa-question-circle"></a>
      </div>
      <div class="form-group">
       <button type="submit" class="btn btn-default">注册</button>
      </div>
     </form>
    </div>
   </div>
  </div>
 </div>

</div>